CVE-2000-0432

Calendar Script vulnerability

CVSS

7.5

EPSS

7.7%

EPSS pct

94th

Exploited

No known

The calender.pl and the calendar_admin.pl calendar scripts by Matt Kruse allow remote attackers to execute arbitrary commands via shell metacharacters.

Affected vendor

Matt Kruse

Affected product

Calendar Script

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Published

2000-05-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 7.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2000-0432

Confirm whether Matt Kruse Calendar Script is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2000-0432.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2000-0432

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2000-0432 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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